3 September 2004 Menelaos Karavelas - re-wrote author names in copyright notices using 7-bit characters 20 June 2004 Sylvain Pion - Use CGAL_NTS instead of CGAL:: for sqrt(). 20 June 2004 Sylvain Pion - Add #include and qualify sqrt() with std:: when using doubles. 18 February 2004 Radu Ursu - removed dependency with Optimisation package I take the assertions from the kernel_assertions.h header file Version 0.4 on 02-Feb-2004 [rursu] - fixed Conic_2.h for gcc 3.4 Version 0.3 on 15-Jan-2004 [rursu] - Moved Conic files from Min_ellipse_2 package into this package